232222021121 has 4 divisors (see below), whose sum is σ = 235403144772. Its totient is φ = 229040897472.

The previous prime is 232222021067. The next prime is 232222021123. The reversal of 232222021121 is 121120222232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67031799025 + 165190222096 = 258905^2 + 406436^2 .

It is a cyclic number.

It is not a de Polignac number, because 232222021121 - 2³⁴ = 215042151937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232222021093 and 232222021102.

It is not an unprimeable number, because it can be changed into a prime (232222021123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590561716 + ... + 1590561861.

It is an arithmetic number, because the mean of its divisors is an integer number (58850786193).

Almost surely, 2^232222021121 is an apocalyptic number.

It is an amenable number.

232222021121 is a deficient number, since it is larger than the sum of its proper divisors (3181123651).

232222021121 is an equidigital number, since it uses as much as digits as its factorization.

232222021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181123650.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 232222021121 its reverse (121120222232), we get a palindrome (353342243353).

The spelling of 232222021121 in words is "two hundred thirty-two billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-one".